Pennsylvania Tax Deadlines
State income tax filing deadlines, extensions, and estimates for 2026.
Pennsylvania Department of Revenue
https://www.revenue.pa.gov
individual deadline
Due: Apr 15, 2026
Extension: Oct 15, 2026
Form: Form PA-40
PA follows IRS due date; extension to file only.
Estimated Payments
Sole Proprietorship deadline
Due: Apr 15, 2026
Extension: Oct 15, 2026
Form: Form PA-40
Business income reported on PA-40.
Estimated Payments
Partnership deadline
Due: Mar 16, 2026
Extension: Sep 15, 2026
Form: State partnership return
Calendar-year due date follows federal timing for pass-through entities.
S Corporation deadline
Due: Mar 16, 2026
Extension: Sep 15, 2026
Form: State S-corporation return
Calendar-year due date follows federal timing for pass-through entities.
C Corporation deadline
Due: Apr 15, 2026
Extension: Oct 15, 2026
Form: State C-corporation return
Calendar-year due date follows federal timing for corporations.
Estimated Payments
LLC deadline
Due: Mar 16, 2026
Extension: Sep 15, 2026
Form: State LLC return
Calendar-year due date follows federal timing for pass-through entities.
Nonprofit deadline
Due: May 15, 2026
Extension: Nov 15, 2026
Form: State nonprofit return
Nonprofit annual return generally due the 15th day of the 5th month.
Estimated Tax Payments
View all quarterly estimated payment due dates for Pennsylvania.
FAQ
Does Pennsylvania conform to federal due dates?
Many Pennsylvania deadlines follow the federal calendar. Always confirm on Pennsylvania Department of Revenue.
Where can I file Pennsylvania tax forms?
Visit Pennsylvania Department of Revenue at https://www.revenue.pa.gov for official forms and e-file options.